Editing Diameter (protocol) (section)

=== Packet format ===
The packet consists of a Diameter header and a variable number of Attribute–Value Pairs, or AVPs, for encapsulating information relevant to the Diameter message.

{| class="wikitable" style="text-align:center"
|+Diameter Header
|-
! Bit offset !!<code style="font-size:8pt; line-height:1px;;">&nbsp;0</code>!!<code style="font-size:8pt; line-height:1px;;">&nbsp;1</code>!!<code style="font-size:8pt; line-height:1px;;">&nbsp;2</code>!!<code style="font-size:8pt; line-height:1px;;">&nbsp;3</code>!!<code style="font-size:8pt; line-height:1px;;">&nbsp;4</code>!!<code style="font-size:8pt; line-height:1px;;">&nbsp;5</code>!!<code style="font-size:8pt; line-height:1px;;">&nbsp;6</code>!!<code style="font-size:8pt; line-height:1px;;">&nbsp;7</code>!!<code style="font-size:8pt; line-height:1px;;">&nbsp;8</code>!!<code style="font-size:8pt; line-height:1px;;">&nbsp;9</code>!!<code style="font-size:8pt; line-height:1px;;">10</code>!!<code style="font-size:8pt; line-height:1px;;">11</code>!!<code style="font-size:8pt; line-height:1px;;">12</code>!!<code style="font-size:8pt; line-height:1px;;">13</code>!!<code style="font-size:8pt; line-height:1px;;">14</code>!!<code style="font-size:8pt; line-height:1px;;">15</code>!!<code style="font-size:8pt; line-height:1px;;">16</code>!!<code style="font-size:8pt; line-height:1px;;">17</code>!!<code style="font-size:8pt; line-height:1px;;">18</code>!!<code style="font-size:8pt; line-height:1px;;">19</code>!!<code style="font-size:8pt; line-height:1px;;">20</code>!!<code style="font-size:8pt; line-height:1px;;">21</code>!!<code style="font-size:8pt; line-height:1px;;">22</code>!!<code style="font-size:8pt; line-height:1px;;">23</code>!!<code style="font-size:8pt; line-height:1px;;">24</code>!!<code style="font-size:8pt; line-height:1px;;">25</code>!!<code style="font-size:8pt; line-height:1px;;">26</code>!!<code style="font-size:8pt; line-height:1px;;">27</code>!!<code style="font-size:8pt; line-height:1px;;">28</code>!!<code style="font-size:8pt; line-height:1px;;">29</code>!!<code style="font-size:8pt; line-height:1px;;">30</code>!!<code style="font-size:8pt; line-height:1px;;">31</code>
|-
| '''0''' || colspan="8"| version || colspan="24"| message length
|-
| '''32''' || cellpadding="1"| <code style="font-size:8pt; line-height:1px;;">R</code> ||| <code style="font-size:8pt; line-height:1px;;">P</code> ||| <code style="font-size:8pt; line-height:1px;;">E</code> ||| <code style="font-size:8pt; line-height:1px;;">T</code> || style="background:#fdd;"| &nbsp; || style="background:#fdd;"| &nbsp; || style="background:#fdd;"| &nbsp; || style="background:#fdd;"| &nbsp; || colspan="24"| command code
|-
| '''64''' || colspan="32"| application ID
|-
| '''96''' || colspan="32"| hop-by-hop ID
|-
| '''128''' || colspan="32"| end-to-end ID
|-
| '''160'''<br />... || colspan="32" | AVPs<br />...
|}